Home / 84,180.30-126,040.05-65,748.30

Finding the Fourth Proportional to 84,180.30, 126,040.05 and 65,748.30

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Solution

The fourth proportional to 84,180.30, 126,040.05 and 65,748.30 is: 98,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,180.30 : 126,040.05 = 65,748.30 : x
  2. Step 2: Convert to fraction form
    84,180.30/126,040.05 = 65,748.30/x
  3. Step 3: Cross multiply
    84,180.30x = 126,040.05 × 65,748.30
  4. Step 4: Simplify right side
    84,180.30x = 8,286,919,019.42
  5. Step 5: Solve for x
    x = 8,286,919,019.42/84,180.30
  6. Step 6: Final answer
    x = 98,442.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.